Subtract 1/21 from 50/8, Solve 6 2/8

Subtract 1/21 from 50/8

1^st number: 6 2/8, 2^nd number: 1/21

50/8 - 1/21 is 521/84.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
50/8 = 50 × 21/8 × 21 = 1050/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
1/21 = 1 × 8/21 × 8 = 8/168
Subtract the two like fractions:
1050/168 - 8/168 = 1050 - 8/168 = 1042/168
After reducing the fraction, the answer is 521/84
In mixed form: 617/84

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